Factor Info

ID 145732
Size 810 digits / 2691 bits
Status composite
Value 878971498038485264723924435444560278190494473384699783894267008860106696380630144728402673801262010625008033544959882512389131369387972819647504531096593009535780090627971558896686023595647753688980409312948992261191255046714068262383858924422686169168344892655226850025670380537939773414685661993690143769991397427300246578886403217628589515330209361788586464402642309824067442789523299754328692702911644633622803155040840694444261113124888864730715154597524201170581079162467695546154809743550451066716201322444401251048698037843873074811260679490216346269487939149744607646347622208558487041133086465754191985819496785575957962709733465516613962647527184086350892339281311023269836876257625231947922792626461090446029314837198439775807129177190036203596200435314049804082485339752634124395855669683221674877

Factorizations

Primary (ID: 181666) 409752605234171375459676416209 (proven prime)
(ID: 181667) 2145127295862238277449798909179485138851257172967800338574696125401231487712880328318463624267657062369233155145431415274290301157738361848577465601936007980431706412764328012085426955517798630082499082258052969653071541002912594325420280583973255329404581192044957101032600034812056516941208960865939257833382611137580522013223831665335071325020596824303590599234794615785348529758531646104279939804775621917748113347887374874880945975207599816414718275469584882751570519828868514513040154032833865780557751482554538930085644027665820221750818305555113259781665326362602279955393490921356482682815953698746017284457285824286051750268592114473733152367090903693416609580565993739655702945954783107334917977665797755116656517630285431509555350578960936006394257057016981011041686253 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.